<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script src="./myJquery.js"></script>
    <script>
        const a1 = {name: 'a', list: {age: 12}}
        const a2 = {name: 'b', list: {age: 12, home: 'xex'}}

        console.log($.extend(true,a2,a1))
        console.log($)
        
    </script>
</body>
</html>